Base | Representation |
---|---|
bin | 1111101110001000… |
… | …1001000110101101 |
3 | 101220002201210210110 |
4 | 3323202021012231 |
5 | 32120312001110 |
6 | 1534425530233 |
7 | 206401450362 |
oct | 37342110655 |
9 | 11802653713 |
10 | 4220031405 |
11 | 1876109067 |
12 | 999343979 |
13 | 5233a0505 |
14 | 2c066c469 |
15 | 19a739a20 |
hex | fb8891ad |
4220031405 has 8 divisors (see below), whose sum is σ = 6752050272. Its totient is φ = 2250683408.
The previous prime is 4220031391. The next prime is 4220031419. The reversal of 4220031405 is 5041300224.
It is an interprime number because it is at equal distance from previous prime (4220031391) and next prime (4220031419).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 4220031405 - 25 = 4220031373 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140667699 + ... + 140667728.
It is an arithmetic number, because the mean of its divisors is an integer number (844006284).
Almost surely, 24220031405 is an apocalyptic number.
It is an amenable number.
4220031405 is a deficient number, since it is larger than the sum of its proper divisors (2532018867).
4220031405 is a wasteful number, since it uses less digits than its factorization.
4220031405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281335435.
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 4220031405 is about 64961.7687951921. The cubic root of 4220031405 is about 1615.9895982006.
Adding to 4220031405 its reverse (5041300224), we get a palindrome (9261331629).
The spelling of 4220031405 in words is "four billion, two hundred twenty million, thirty-one thousand, four hundred five".
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